trans-Cinnamic acid CAS 140-10-3 rheumatic drug ketoprofen, etc.), curing accelerators.
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|
Product Name |
trans-Cinnamic acid | ||
|
Formula |
C9H8O2 |
Molecular Weight |
148.16 |
|
CAS NO. |
140-10-3 |
Quantity |
500KG |
|
Items |
Specification |
Results |
|
Appearance |
White Powder |
Conforms |
|
Assay |
≥99% |
99.1% |
|
Melting point |
133 °C | 133 °C |
|
CONCLUSION |
The result conform with standard |
|
Melting point 133 ° C (L)
Boiling point 300 ° C (L)
Density 1.248
Steam pressure 1.3mpa (128 ° C)
Refractive index 1.5049 (estimated)
Flash point >230 ° f
Storage condition 2-8 ° C
Solubility 0.4g/l
Acidity coefficient (PKA) 4.44 Chemistry Manual (at 25 ℃)
Morphology crystalline powder
The color is white to white
Specific gravity 0.91
Odor fan
PH value range of acid-base indicator discoloration 3-4
PH value 3-4 (0.4g/l, H2O, 20 ℃)
Cinnamic acid is used in the preparation of L-phenylalanine, as an intermediate of xinkean, a drug for coronary heart disease, and in the manufacture of local anesthetics, fungicides, hemostatics, etc; In the perfume industry, it is used to prepare methyl phenyl acrylate, ethyl ester and phenyl ester, and as the perfume of food and chemical cosmetics, which has a good fragrance retention effect; It is used as growth promoter, long-acting bactericide and preservative of fruits and vegetables in pesticide industry; It is also used to produce vinyl cinnamic acid, the main raw material of photosensitive resin. Cinnamic acid is a reagent for the determination of uranium, vanadium and the separation of thorium.
